omnifarious vs protean

omnifarious

adj
  • Of many or all forms, varieties, or kinds. 

  • Exceedingly varied. 

protean

adj
  • Exceedingly variable; readily assuming different shapes or forms. 

noun
  • A protein that has been slightly modified by water, dilute acid, or enzymes, but not modified to the extent of a metaprotein. 

How often have the words omnifarious and protean occurred in a corpus of books? (source: Google Ngram Viewer )